Home / 109,084.60-163,626.30-30,198.28

Finding the Fourth Proportional to 109,084.60, 163,626.30 and 30,198.28

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Solution

The fourth proportional to 109,084.60, 163,626.30 and 30,198.28 is: 45,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,084.60 : 163,626.30 = 30,198.28 : x
  2. Step 2: Convert to fraction form
    109,084.60/163,626.30 = 30,198.28/x
  3. Step 3: Cross multiply
    109,084.60x = 163,626.30 × 30,198.28
  4. Step 4: Simplify right side
    109,084.60x = 4,941,232,822.76
  5. Step 5: Solve for x
    x = 4,941,232,822.76/109,084.60
  6. Step 6: Final answer
    x = 45,297.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.